X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/0a3f3e67f98ab8168fc7b80abf00ba5f04302532..b4c12b5580c7412a055e109387d704425557755b:/youtube-dl?ds=sidebyside

diff --git a/youtube-dl b/youtube-dl
index 5afff4e..5fd331e 100755
--- a/youtube-dl
+++ b/youtube-dl
@@ -2,6 +2,7 @@
 # -*- coding: utf-8 -*-
 # Author: Ricardo Garcia Gonzalez
 # Author: Danny Colligan
+# Author: Benjamin Johnson
 # License: Public domain code
 import htmlentitydefs
 import httplib
@@ -13,15 +14,22 @@ import os.path
 import re
 import socket
 import string
+import subprocess
 import sys
 import time
 import urllib
 import urllib2
 
+# parse_qs was moved from the cgi module to the urlparse module recently.
+try:
+	from urlparse import parse_qs
+except ImportError:
+	from cgi import parse_qs
+
 std_headers = {
-	'User-Agent': 'Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2',
+	'User-Agent': 'Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.7) Gecko/20100720 Firefox/3.6.7',
 	'Accept-Charset': 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
-	'Accept': 'text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5',
+	'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
 	'Accept-Language': 'en-us,en;q=0.5',
 }
 
@@ -33,15 +41,70 @@ def preferredencoding():
 	Returns the best encoding scheme for the system, based on
 	locale.getpreferredencoding() and some further tweaks.
 	"""
+	def yield_preferredencoding():
+		try:
+			pref = locale.getpreferredencoding()
+			u'TEST'.encode(pref)
+		except:
+			pref = 'UTF-8'
+		while True:
+			yield pref
+	return yield_preferredencoding().next()
+
+def htmlentity_transform(matchobj):
+	"""Transforms an HTML entity to a Unicode character.
+	
+	This function receives a match object and is intended to be used with
+	the re.sub() function.
+	"""
+	entity = matchobj.group(1)
+
+	# Known non-numeric HTML entity
+	if entity in htmlentitydefs.name2codepoint:
+		return unichr(htmlentitydefs.name2codepoint[entity])
+
+	# Unicode character
+	mobj = re.match(ur'(?u)#(x?\d+)', entity)
+	if mobj is not None:
+		numstr = mobj.group(1)
+		if numstr.startswith(u'x'):
+			base = 16
+			numstr = u'0%s' % numstr
+		else:
+			base = 10
+		return unichr(long(numstr, base))
+
+	# Unknown entity in name, return its literal representation
+	return (u'&%s;' % entity)
+
+def sanitize_title(utitle):
+	"""Sanitizes a video title so it could be used as part of a filename."""
+	utitle = re.sub(ur'(?u)&(.+?);', htmlentity_transform, utitle)
+	return utitle.replace(unicode(os.sep), u'%')
+
+def sanitize_open(filename, open_mode):
+	"""Try to open the given filename, and slightly tweak it if this fails.
+
+	Attempts to open the given filename. If this fails, it tries to change
+	the filename slightly, step by step, until it's either able to open it
+	or it fails and raises a final exception, like the standard open()
+	function.
+
+	It returns the tuple (stream, definitive_file_name).
+	"""
 	try:
-		pref = locale.getpreferredencoding()
-		# Mac OSX systems have this problem sometimes
-		if pref == '':
-			return 'UTF-8'
-		return pref
-	except:
-		sys.stderr.write('WARNING: problem obtaining preferred encoding. Falling back to UTF-8.\n')
-		return 'UTF-8'
+		if filename == u'-':
+			return (sys.stdout, filename)
+		stream = open(filename, open_mode)
+		return (stream, filename)
+	except (IOError, OSError), err:
+		# In case of error, try to remove win32 forbidden chars
+		filename = re.sub(ur'[/<>:"\|\?\*]', u'#', filename)
+
+		# An exception here should be caught in the caller
+		stream = open(filename, open_mode)
+		return (stream, filename)
+
 
 class DownloadError(Exception):
 	"""Download Error exception.
@@ -68,7 +131,7 @@ class PostProcessingError(Exception):
 	"""
 	pass
 
-class UnavailableFormatError(Exception):
+class UnavailableVideoError(Exception):
 	"""Unavailable Format exception.
 
 	This exception will be thrown when a video is requested
@@ -126,23 +189,28 @@ class FileDownloader(object):
 	forcetitle:	Force printing title.
 	simulate:	Do not download the video files.
 	format:		Video format code.
+	format_limit:	Highest quality format to try.
 	outtmpl:	Template for output names.
 	ignoreerrors:	Do not stop on download errors.
 	ratelimit:	Download speed limit, in bytes/sec.
 	nooverwrites:	Prevent overwriting files.
+	retries:	Number of times to retry for HTTP error 503
 	continuedl:	Try to continue downloads if possible.
+	noprogress:	Do not print the progress bar.
 	"""
 
 	params = None
 	_ies = []
 	_pps = []
 	_download_retcode = None
+	_num_downloads = None
 
 	def __init__(self, params):
 		"""Create a FileDownloader object with the given options."""
 		self._ies = []
 		self._pps = []
 		self._download_retcode = 0
+		self._num_downloads = 0
 		self.params = params
 	
 	@staticmethod
@@ -239,11 +307,15 @@ class FileDownloader(object):
 		self._pps.append(pp)
 		pp.set_downloader(self)
 	
-	def to_stdout(self, message, skip_eol=False):
+	def to_stdout(self, message, skip_eol=False, ignore_encoding_errors=False):
 		"""Print message to stdout if not in quiet mode."""
-		if not self.params.get('quiet', False):
-			print (u'%s%s' % (message, [u'\n', u''][skip_eol])).encode(preferredencoding()),
+		try:
+			if not self.params.get('quiet', False):
+				print (u'%s%s' % (message, [u'\n', u''][skip_eol])).encode(preferredencoding()),
 			sys.stdout.flush()
+		except (UnicodeEncodeError), err:
+			if not ignore_encoding_errors:
+				raise
 	
 	def to_stderr(self, message):
 		"""Print message to stderr."""
@@ -281,10 +353,12 @@ class FileDownloader(object):
 
 	def report_destination(self, filename):
 		"""Report destination filename."""
-		self.to_stdout(u'[download] Destination: %s' % filename)
+		self.to_stdout(u'[download] Destination: %s' % filename, ignore_encoding_errors=True)
 	
 	def report_progress(self, percent_str, data_len_str, speed_str, eta_str):
 		"""Report download progress."""
+		if self.params.get('noprogress', False):
+			return
 		self.to_stdout(u'\r[download] %s of %s at %s ETA %s' %
 				(percent_str, data_len_str, speed_str, eta_str), skip_eol=True)
 
@@ -292,9 +366,16 @@ class FileDownloader(object):
 		"""Report attemtp to resume at given byte."""
 		self.to_stdout(u'[download] Resuming download at byte %s' % resume_len)
 	
+	def report_retry(self, count, retries):
+		"""Report retry in case of HTTP error 503"""
+		self.to_stdout(u'[download] Got HTTP error 503. Retrying (attempt %d of %d)...' % (count, retries))
+	
 	def report_file_already_downloaded(self, file_name):
 		"""Report file has already been fully downloaded."""
-		self.to_stdout(u'[download] %s has already been downloaded' % file_name)
+		try:
+			self.to_stdout(u'[download] %s has already been downloaded' % file_name)
+		except (UnicodeEncodeError), err:
+			self.to_stdout(u'[download] The file has already been downloaded')
 	
 	def report_unable_to_resume(self):
 		"""Report it was impossible to resume download."""
@@ -302,32 +383,46 @@ class FileDownloader(object):
 	
 	def report_finish(self):
 		"""Report download finished."""
-		self.to_stdout(u'')
+		if self.params.get('noprogress', False):
+			self.to_stdout(u'[download] Download completed')
+		else:
+			self.to_stdout(u'')
+	
+	def increment_downloads(self):
+		"""Increment the ordinal that assigns a number to each file."""
+		self._num_downloads += 1
 
 	def process_info(self, info_dict):
 		"""Process a single dictionary returned by an InfoExtractor."""
 		# Do nothing else if in simulate mode
 		if self.params.get('simulate', False):
-			try:
-				info_dict['url'] = self.verify_url(info_dict['url'])
-			except (OSError, IOError, urllib2.URLError, httplib.HTTPException, socket.error), err:
-				raise UnavailableFormatError
+			# Verify URL if it's an HTTP one
+			if info_dict['url'].startswith('http'):
+				try:
+					self.verify_url(info_dict['url'].encode('utf-8')).decode('utf-8')
+				except (OSError, IOError, urllib2.URLError, httplib.HTTPException, socket.error), err:
+					raise UnavailableVideoError
 
 			# Forced printings
 			if self.params.get('forcetitle', False):
-				print info_dict['title'].encode(preferredencoding())
+				print info_dict['title'].encode(preferredencoding(), 'xmlcharrefreplace')
 			if self.params.get('forceurl', False):
-				print info_dict['url'].encode(preferredencoding())
+				print info_dict['url'].encode(preferredencoding(), 'xmlcharrefreplace')
+			if self.params.get('forcethumbnail', False) and 'thumbnail' in info_dict:
+				print info_dict['thumbnail'].encode(preferredencoding(), 'xmlcharrefreplace')
+			if self.params.get('forcedescription', False) and 'description' in info_dict:
+				print info_dict['description'].encode(preferredencoding(), 'xmlcharrefreplace')
 
 			return
 			
 		try:
 			template_dict = dict(info_dict)
 			template_dict['epoch'] = unicode(long(time.time()))
+			template_dict['ord'] = unicode('%05d' % self._num_downloads)
 			filename = self.params['outtmpl'] % template_dict
 		except (ValueError, KeyError), err:
 			self.trouble('ERROR: invalid output template or system charset: %s' % str(err))
-		if self.params['nooverwrites'] and os.path.exists(filename):
+		if self.params.get('nooverwrites', False) and os.path.exists(filename):
 			self.to_stderr(u'WARNING: file exists: %s; skipping' % filename)
 			return
 
@@ -338,9 +433,9 @@ class FileDownloader(object):
 			return
 
 		try:
-			success = self._do_download(filename, info_dict['url'])
+			success = self._do_download(filename, info_dict['url'].encode('utf-8'), info_dict.get('player_url', None))
 		except (OSError, IOError), err:
-			raise UnavailableFormatError
+			raise UnavailableVideoError
 		except (urllib2.URLError, httplib.HTTPException, socket.error), err:
 			self.trouble('ERROR: unable to download video data: %s' % str(err))
 			return
@@ -390,36 +485,86 @@ class FileDownloader(object):
 			if info is None:
 				break
 	
-	def _do_download(self, filename, url):
-		stream = None
-		open_mode = 'ab'
+	def _download_with_rtmpdump(self, filename, url, player_url):
+		self.report_destination(filename)
+
+		# Check for rtmpdump first
+		try:
+			subprocess.call(['rtmpdump', '-h'], stdout=(file(os.path.devnull, 'w')), stderr=subprocess.STDOUT)
+		except (OSError, IOError):
+			self.trouble(u'ERROR: RTMP download detected but "rtmpdump" could not be run')
+			return False
+
+		# Download using rtmpdump. rtmpdump returns exit code 2 when
+		# the connection was interrumpted and resuming appears to be
+		# possible. This is part of rtmpdump's normal usage, AFAIK.
+		basic_args = ['rtmpdump', '-q'] + [[], ['-W', player_url]][player_url is not None] + ['-r', url, '-o', filename]
+		retval = subprocess.call(basic_args + [[], ['-e', '-k', '1']][self.params.get('continuedl', False)])
+		while retval == 2 or retval == 1:
+			prevsize = os.path.getsize(filename)
+			self.to_stdout(u'\r[rtmpdump] %s bytes' % prevsize, skip_eol=True)
+			time.sleep(5.0) # This seems to be needed
+			retval = subprocess.call(basic_args + ['-e'] + [[], ['-k', '1']][retval == 1])
+			cursize = os.path.getsize(filename)
+			if prevsize == cursize and retval == 1:
+				break
+		if retval == 0:
+			self.to_stdout(u'\r[rtmpdump] %s bytes' % os.path.getsize(filename))
+			return True
+		else:
+			self.trouble('\nERROR: rtmpdump exited with code %d' % retval)
+			return False
+
+	def _do_download(self, filename, url, player_url):
+		# Attempt to download using rtmpdump
+		if url.startswith('rtmp'):
+			return self._download_with_rtmpdump(filename, url, player_url)
 
+		stream = None
+		open_mode = 'wb'
 		basic_request = urllib2.Request(url, None, std_headers)
 		request = urllib2.Request(url, None, std_headers)
 
-		# Attempt to resume download with "continuedl" option
+		# Establish possible resume length
 		if os.path.isfile(filename):
 			resume_len = os.path.getsize(filename)
 		else:
 			resume_len = 0
-		if self.params['continuedl'] and resume_len != 0:
+
+		# Request parameters in case of being able to resume
+		if self.params.get('continuedl', False) and resume_len != 0:
 			self.report_resuming_byte(resume_len)
 			request.add_header('Range','bytes=%d-' % resume_len)
+			open_mode = 'ab'
 
-		# Establish connection
-		try:
-			data = urllib2.urlopen(request)
-		except (urllib2.HTTPError, ), err:
-			if err.code != 416: #  416 is 'Requested range not satisfiable'
-				raise
-			data = urllib2.urlopen(basic_request)
-			content_length = data.info()['Content-Length']
-			if content_length is not None and long(content_length) == resume_len:
-				self.report_file_already_downloaded(filename)
-				return True
-			else:
-				self.report_unable_to_resume()
-				open_mode = 'wb'
+		count = 0
+		retries = self.params.get('retries', 0)
+		while True:
+			# Establish connection
+			try:
+				data = urllib2.urlopen(request)
+				break
+			except (urllib2.HTTPError, ), err:
+				if err.code == 503:
+					# Retry in case of HTTP error 503
+					count += 1
+					if count <= retries:
+						self.report_retry(count, retries)
+						continue
+				if err.code != 416: #  416 is 'Requested range not satisfiable'
+					raise
+				# Unable to resume
+				data = urllib2.urlopen(basic_request)
+				content_length = data.info()['Content-Length']
+
+				if content_length is not None and long(content_length) == resume_len:
+					# Because the file had already been fully downloaded
+					self.report_file_already_downloaded(filename)
+					return True
+				else:
+					# Because the server didn't let us
+					self.report_unable_to_resume()
+					open_mode = 'wb'
 
 		data_len = data.info().get('Content-length', None)
 		data_len_str = self.format_bytes(data_len)
@@ -439,12 +584,15 @@ class FileDownloader(object):
 			# Open file just in time
 			if stream is None:
 				try:
-					stream = open(filename, open_mode)
+					(stream, filename) = sanitize_open(filename, open_mode)
 					self.report_destination(filename)
 				except (OSError, IOError), err:
 					self.trouble('ERROR: unable to open for writing: %s' % str(err))
 					return False
-			stream.write(data_block)
+			try:
+				stream.write(data_block)
+			except (IOError, OSError), err:
+				self.trouble('\nERROR: unable to write data: %s' % str(err))
 			block_size = self.best_block_size(after - before, data_block_len)
 
 			# Progress message
@@ -479,6 +627,16 @@ class InfoExtractor(object):
 	title:		Literal title.
 	stitle:		Simplified title.
 	ext:		Video filename extension.
+	format:		Video format.
+	player_url:	SWF Player URL (may be None).
+
+	The following fields are optional. Their primary purpose is to allow
+	youtube-dl to serve as the backend for a video search function, such
+	as the one in youtube2mp3.  They are only used when their respective
+	forced printing functions are called:
+
+	thumbnail:	Full URL to a video thumbnail image.
+	description:	One-line video description.
 
 	Subclasses of this one should re-define the _real_initialize() and
 	_real_extract() methods, as well as the suitable() static method.
@@ -525,46 +683,28 @@ class InfoExtractor(object):
 class YoutubeIE(InfoExtractor):
 	"""Information extractor for youtube.com."""
 
-	_VALID_URL = r'^((?:http://)?(?:\w+\.)?youtube\.com/(?:(?:v/)|(?:(?:watch(?:\.php)?)?\?(?:.+&)?v=)))?([0-9A-Za-z_-]+)(?(1).+)?$'
-	_LANG_URL = r'http://uk.youtube.com/?hl=en&persist_hl=1&gl=US&persist_gl=1&opt_out_ackd=1'
+	_VALID_URL = r'^((?:http://)?(?:youtu\.be/|(?:\w+\.)?youtube\.com/(?:(?:v/)|(?:(?:watch(?:_popup)?(?:\.php)?)?[\?#](?:.+&)?v=))))?([0-9A-Za-z_-]+)(?(1).+)?$'
+	_LANG_URL = r'http://www.youtube.com/?hl=en&persist_hl=1&gl=US&persist_gl=1&opt_out_ackd=1'
 	_LOGIN_URL = 'http://www.youtube.com/signup?next=/&gl=US&hl=en'
 	_AGE_URL = 'http://www.youtube.com/verify_age?next_url=/&gl=US&hl=en'
 	_NETRC_MACHINE = 'youtube'
-	_available_formats = ['22', '35', '18', '5', '17', '13', None] # listed in order of priority for -b flag
+	# Listed in order of quality
+	_available_formats = ['38', '37', '22', '45', '35', '34', '43', '18', '6', '5', '17', '13']
 	_video_extensions = {
 		'13': '3gp',
 		'17': 'mp4',
 		'18': 'mp4',
 		'22': 'mp4',
+		'37': 'mp4',
+		'38': 'video', # You actually don't know if this will be MOV, AVI or whatever
+		'43': 'webm',
+		'45': 'webm',
 	}
 
 	@staticmethod
 	def suitable(url):
 		return (re.match(YoutubeIE._VALID_URL, url) is not None)
 
-	@staticmethod
-	def htmlentity_transform(matchobj):
-		"""Transforms an HTML entity to a Unicode character."""
-		entity = matchobj.group(1)
-
-		# Known non-numeric HTML entity
-		if entity in htmlentitydefs.name2codepoint:
-			return unichr(htmlentitydefs.name2codepoint[entity])
-
-		# Unicode character
-		mobj = re.match(ur'(?u)#(x?\d+)', entity)
-		if mobj is not None:
-			numstr = mobj.group(1)
-			if numstr.startswith(u'x'):
-				base = 16
-				numstr = u'0%s' % numstr
-			else:
-				base = 10
-			return unichr(long(numstr, base))
-
-		# Unknown entity in name, return its literal representation
-		return (u'&%s;' % entity)
-
 	def report_lang(self):
 		"""Report attempt to set language."""
 		self._downloader.to_stdout(u'[youtube] Setting language')
@@ -577,6 +717,10 @@ class YoutubeIE(InfoExtractor):
 		"""Report attempt to confirm age."""
 		self._downloader.to_stdout(u'[youtube] Confirming age')
 	
+	def report_video_webpage_download(self, video_id):
+		"""Report attempt to download video webpage."""
+		self._downloader.to_stdout(u'[youtube] %s: Downloading video webpage' % video_id)
+	
 	def report_video_info_webpage_download(self, video_id):
 		"""Report attempt to download video info webpage."""
 		self._downloader.to_stdout(u'[youtube] %s: Downloading video info webpage' % video_id)
@@ -589,6 +733,10 @@ class YoutubeIE(InfoExtractor):
 		"""Report extracted video URL."""
 		self._downloader.to_stdout(u'[youtube] %s: Format %s not available' % (video_id, format))
 	
+	def report_rtmp_download(self):
+		"""Indicate the download will use the RTMP protocol."""
+		self._downloader.to_stdout(u'[youtube] RTMP download detected')
+	
 	def _real_initialize(self):
 		if self._downloader is None:
 			return
@@ -666,72 +814,107 @@ class YoutubeIE(InfoExtractor):
 			return
 		video_id = mobj.group(2)
 
-		# Downloader parameters
-		best_quality = False
-		format_param = None
-		quality_index = 0
-		if self._downloader is not None:
-			params = self._downloader.params
-			format_param = params.get('format', None)
-			if format_param == '0':
-				format_param = self._available_formats[quality_index]
-				best_quality = True
+		# Get video webpage
+		self.report_video_webpage_download(video_id)
+		request = urllib2.Request('http://www.youtube.com/watch?v=%s&gl=US&hl=en' % video_id, None, std_headers)
+		try:
+			video_webpage = urllib2.urlopen(request).read()
+		except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+			self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % str(err))
+			return
 
-		while True:
-			# Extension
-			video_extension = self._video_extensions.get(format_param, 'flv')
+		# Attempt to extract SWF player URL
+		mobj = re.search(r'swfConfig.*"(http://.*?watch.*?-.*?\.swf)"', video_webpage)
+		if mobj is not None:
+			player_url = mobj.group(1)
+		else:
+			player_url = None
 
-			# Get video info
-			video_info_url = 'http://www.youtube.com/get_video_info?&video_id=%s&el=detailpage&ps=default&eurl=&gl=US&hl=en' % video_id
+		# Get video info
+		self.report_video_info_webpage_download(video_id)
+		for el_type in ['&el=embedded', '&el=detailpage', '&el=vevo', '']:
+			video_info_url = ('http://www.youtube.com/get_video_info?&video_id=%s%s&ps=default&eurl=&gl=US&hl=en'
+					   % (video_id, el_type))
 			request = urllib2.Request(video_info_url, None, std_headers)
 			try:
-				self.report_video_info_webpage_download(video_id)
 				video_info_webpage = urllib2.urlopen(request).read()
+				video_info = parse_qs(video_info_webpage)
+				if 'token' in video_info:
+					break
 			except (urllib2.URLError, httplib.HTTPException, socket.error), err:
 				self._downloader.trouble(u'ERROR: unable to download video info webpage: %s' % str(err))
 				return
-			self.report_information_extraction(video_id)
+		self.report_information_extraction(video_id)
 
-			# "t" param
-			mobj = re.search(r'(?m)&token=([^&]+)(?:&|$)', video_info_webpage)
-			if mobj is None:
-				# Attempt to see if YouTube has issued an error message
-				mobj = re.search(r'(?m)&reason=([^&]+)(?:&|$)', video_info_webpage)
-				if mobj is None:
-					self._downloader.trouble(u'ERROR: unable to extract "t" parameter for unknown reason')
-					stream = open('reportme-ydl-%s.dat' % time.time(), 'wb')
-					stream.write(video_info_webpage)
-					stream.close()
-				else:
-					reason = urllib.unquote_plus(mobj.group(1))
-					self._downloader.trouble(u'ERROR: YouTube said: %s' % reason.decode('utf-8'))
-				return
-			token = urllib.unquote(mobj.group(1))
-			video_real_url = 'http://www.youtube.com/get_video?video_id=%s&t=%s&eurl=&el=detailpage&ps=default&gl=US&hl=en' % (video_id, token)
-			if format_param is not None:
-				video_real_url = '%s&fmt=%s' % (video_real_url, format_param)
+		# uploader
+		if 'author' not in video_info:
+			self._downloader.trouble(u'ERROR: unable to extract uploader nickname')
+			return
+		video_uploader = urllib.unquote_plus(video_info['author'][0])
 
-			# uploader
-			mobj = re.search(r'(?m)&author=([^&]+)(?:&|$)', video_info_webpage)
-			if mobj is None:
-				self._downloader.trouble(u'ERROR: unable to extract uploader nickname')
+		# title
+		if 'title' not in video_info:
+			self._downloader.trouble(u'ERROR: unable to extract video title')
+			return
+		video_title = urllib.unquote_plus(video_info['title'][0])
+		video_title = video_title.decode('utf-8')
+		video_title = sanitize_title(video_title)
+
+		# simplified title
+		simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', video_title)
+		simple_title = simple_title.strip(ur'_')
+
+		# thumbnail image
+		if 'thumbnail_url' not in video_info:
+			self._downloader.trouble(u'WARNING: unable to extract video thumbnail')
+			video_thumbnail = ''
+		else:	# don't panic if we can't find it
+			video_thumbnail = urllib.unquote_plus(video_info['thumbnail_url'][0])
+
+		# description
+		video_description = 'No description available.'
+		if self._downloader.params.get('forcedescription', False):
+			mobj = re.search(r'<meta name="description" content="(.*)"(?:\s*/)?>', video_webpage)
+			if mobj is not None:
+				video_description = mobj.group(1)
+
+		# Decide which formats to download
+		if 'fmt_url_map' in video_info:
+			url_map = dict(tuple(pair.split('|')) for pair in video_info['fmt_url_map'][0].split(','))
+			format_limit = self._downloader.params.get('format_limit', None)
+			if format_limit is not None and format_limit in self._available_formats:
+				format_list = self._available_formats[self._available_formats.index(format_limit):]
+			else:
+				format_list = self._available_formats
+			existing_formats = [x for x in format_list if x in url_map]
+			if len(existing_formats) == 0:
+				self._downloader.trouble(u'ERROR: no known formats available for video')
 				return
-			video_uploader = urllib.unquote(mobj.group(1))
+			requested_format = self._downloader.params.get('format', None)
+			if requested_format is None:
+				video_url_list = [(existing_formats[0], url_map[existing_formats[0]])] # Best quality
+			elif requested_format == '-1':
+				video_url_list = url_map.items() # All formats
+			else:
+				if requested_format not in existing_formats:
+					self._downloader.trouble(u'ERROR: format not available for video')
+					return
+				video_url_list = [(requested_format, url_map[requested_format])] # Specific format
+		elif 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
+			self.report_rtmp_download()
+			video_url_list = [(None, video_info['conn'][0])]
+		else:
+			self._downloader.trouble(u'ERROR: no fmt_url_map or conn information found in video info')
+			return
 
-			# title
-			mobj = re.search(r'(?m)&title=([^&]+)(?:&|$)', video_info_webpage)
-			if mobj is None:
-				self._downloader.trouble(u'ERROR: unable to extract video title')
-				return
-			video_title = urllib.unquote(mobj.group(1))
-			video_title = video_title.decode('utf-8')
-			video_title = re.sub(ur'(?u)&(.+?);', self.htmlentity_transform, video_title)
-			video_title = video_title.replace(os.sep, u'%')
+		for format_param, video_real_url in video_url_list:
+			# At this point we have a new video
+			self._downloader.increment_downloads()
 
-			# simplified title
-			simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', video_title)
-			simple_title = simple_title.strip(ur'_')
+			# Extension
+			video_extension = self._video_extensions.get(format_param, 'flv')
 
+			# Find the video URL in fmt_url_map or conn paramters
 			try:
 				# Process video information
 				self._downloader.process_info({
@@ -741,24 +924,13 @@ class YoutubeIE(InfoExtractor):
 					'title':	video_title,
 					'stitle':	simple_title,
 					'ext':		video_extension.decode('utf-8'),
+					'format':	(format_param is None and u'NA' or format_param.decode('utf-8')),
+					'thumbnail':	video_thumbnail.decode('utf-8'),
+					'description':	video_description.decode('utf-8'),
+					'player_url':	player_url,
 				})
-
-				return
-
-			except UnavailableFormatError, err:
-				if best_quality:
-					if quality_index == len(self._available_formats) - 1:
-						# I don't ever expect this to happen
-						self._downloader.trouble(u'ERROR: no known formats available for video')
-						return
-					else:
-						self.report_unavailable_format(video_id, format_param)
-						quality_index += 1
-						format_param = self._available_formats[quality_index]
-						continue
-				else: 
-					self._downloader.trouble('ERROR: format not available for video')
-					return
+			except UnavailableVideoError, err:
+				self._downloader.trouble(u'ERROR: unable to download video')
 
 
 class MetacafeIE(InfoExtractor):
@@ -831,6 +1003,9 @@ class MetacafeIE(InfoExtractor):
 			self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % mobj2.group(1))
 			return
 
+		# At this point we have a new video
+		self._downloader.increment_downloads()
+
 		simple_title = mobj.group(2).decode('utf-8')
 		video_extension = 'flv'
 
@@ -866,8 +1041,9 @@ class MetacafeIE(InfoExtractor):
 			self._downloader.trouble(u'ERROR: unable to extract title')
 			return
 		video_title = mobj.group(1).decode('utf-8')
+		video_title = sanitize_title(video_title)
 
-		mobj = re.search(r'(?ms)<li id="ChnlUsr">.*?Submitter:.*?<a .*?>(.*?)<', webpage)
+		mobj = re.search(r'(?ms)By:\s*<a .*?>(.+?)<', webpage)
 		if mobj is None:
 			self._downloader.trouble(u'ERROR: unable to extract uploader nickname')
 			return
@@ -882,155 +1058,930 @@ class MetacafeIE(InfoExtractor):
 				'title':	video_title,
 				'stitle':	simple_title,
 				'ext':		video_extension.decode('utf-8'),
+				'format':	u'NA',
+				'player_url':	None,
 			})
-		except UnavailableFormatError:
-			self._downloader.trouble(u'ERROR: format not available for video')
+		except UnavailableVideoError:
+			self._downloader.trouble(u'ERROR: unable to download video')
 
 
-class YoutubeSearchIE(InfoExtractor):
-	"""Information Extractor for YouTube search queries."""
-	_VALID_QUERY = r'ytsearch(\d+|all)?:[\s\S]+'
-	_TEMPLATE_URL = 'http://www.youtube.com/results?search_query=%s&page=%s&gl=US&hl=en'
-	_VIDEO_INDICATOR = r'href="/watch\?v=.+?"'
-	_MORE_PAGES_INDICATOR = r'(?m)>\s*Next\s*</a>'
-	_youtube_ie = None
-	_max_youtube_results = 1000
+class DailymotionIE(InfoExtractor):
+	"""Information Extractor for Dailymotion"""
 
-	def __init__(self, youtube_ie, downloader=None):
+	_VALID_URL = r'(?i)(?:https?://)?(?:www\.)?dailymotion\.[a-z]{2,3}/video/([^_/]+)_([^/]+)'
+
+	def __init__(self, downloader=None):
 		InfoExtractor.__init__(self, downloader)
-		self._youtube_ie = youtube_ie
-	
+
 	@staticmethod
 	def suitable(url):
-		return (re.match(YoutubeSearchIE._VALID_QUERY, url) is not None)
+		return (re.match(DailymotionIE._VALID_URL, url) is not None)
 
-	def report_download_page(self, query, pagenum):
-		"""Report attempt to download playlist page with given number."""
-		self._downloader.to_stdout(u'[youtube] query "%s": Downloading page %s' % (query, pagenum))
+	def report_download_webpage(self, video_id):
+		"""Report webpage download."""
+		self._downloader.to_stdout(u'[dailymotion] %s: Downloading webpage' % video_id)
+	
+	def report_extraction(self, video_id):
+		"""Report information extraction."""
+		self._downloader.to_stdout(u'[dailymotion] %s: Extracting information' % video_id)
 
 	def _real_initialize(self):
-		self._youtube_ie.initialize()
-	
-	def _real_extract(self, query):
-		mobj = re.match(self._VALID_QUERY, query)
+		return
+
+	def _real_extract(self, url):
+		# Extract id and simplified title from URL
+		mobj = re.match(self._VALID_URL, url)
 		if mobj is None:
-			self._downloader.trouble(u'ERROR: invalid search query "%s"' % query)
+			self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
 			return
 
-		prefix, query = query.split(':')
-		prefix = prefix[8:]
-		if prefix == '':
-			self._download_n_results(query, 1)
-			return
-		elif prefix == 'all':
-			self._download_n_results(query, self._max_youtube_results)
+		# At this point we have a new video
+		self._downloader.increment_downloads()
+		video_id = mobj.group(1)
+
+		simple_title = mobj.group(2).decode('utf-8')
+		video_extension = 'flv'
+
+		# Retrieve video webpage to extract further information
+		request = urllib2.Request(url)
+		try:
+			self.report_download_webpage(video_id)
+			webpage = urllib2.urlopen(request).read()
+		except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+			self._downloader.trouble(u'ERROR: unable retrieve video webpage: %s' % str(err))
 			return
-		else:
-			try:
-				n = long(prefix)
-				if n <= 0:
-					self._downloader.trouble(u'ERROR: invalid download number %s for query "%s"' % (n, query))
-					return
-				elif n > self._max_youtube_results:
-					self._downloader.to_stderr(u'WARNING: ytsearch returns max %i results (you requested %i)'  % (self._max_youtube_results, n))
-					n = self._max_youtube_results
-				self._download_n_results(query, n)
-				return
-			except ValueError: # parsing prefix as integer fails
-				self._download_n_results(query, 1)
-				return
 
-	def _download_n_results(self, query, n):
-		"""Downloads a specified number of results for a query"""
+		# Extract URL, uploader and title from webpage
+		self.report_extraction(video_id)
+		mobj = re.search(r'(?i)addVariable\(\"video\"\s*,\s*\"([^\"]*)\"\)', webpage)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: unable to extract media URL')
+			return
+		mediaURL = urllib.unquote(mobj.group(1))
 
-		video_ids = []
-		already_seen = set()
-		pagenum = 1
+		# if needed add http://www.dailymotion.com/ if relative URL
 
-		while True:
-			self.report_download_page(query, pagenum)
-			result_url = self._TEMPLATE_URL % (urllib.quote_plus(query), pagenum)
-			request = urllib2.Request(result_url, None, std_headers)
-			try:
-				page = urllib2.urlopen(request).read()
-			except (urllib2.URLError, httplib.HTTPException, socket.error), err:
-				self._downloader.trouble(u'ERROR: unable to download webpage: %s' % str(err))
-				return
+		video_url = mediaURL
 
-			# Extract video identifiers
-			for mobj in re.finditer(self._VIDEO_INDICATOR, page):
-				video_id = page[mobj.span()[0]:mobj.span()[1]].split('=')[2][:-1]
-				if video_id not in already_seen:
-					video_ids.append(video_id)
-					already_seen.add(video_id)
-					if len(video_ids) == n:
-						# Specified n videos reached
-						for id in video_ids:
-							self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id)
-						return
+		# '<meta\s+name="title"\s+content="Dailymotion\s*[:\-]\s*(.*?)"\s*\/\s*>'
+		mobj = re.search(r'(?im)<title>Dailymotion\s*[\-:]\s*(.+?)</title>', webpage)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: unable to extract title')
+			return
+		video_title = mobj.group(1).decode('utf-8')
+		video_title = sanitize_title(video_title)
 
-			if re.search(self._MORE_PAGES_INDICATOR, page) is None:
-				for id in video_ids:
-					self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id)
-				return
+		mobj = re.search(r'(?im)<div class="dmco_html owner">.*?<a class="name" href="/.+?">(.+?)</a></div>', webpage)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: unable to extract uploader nickname')
+			return
+		video_uploader = mobj.group(1)
 
-			pagenum = pagenum + 1
+		try:
+			# Process video information
+			self._downloader.process_info({
+				'id':		video_id.decode('utf-8'),
+				'url':		video_url.decode('utf-8'),
+				'uploader':	video_uploader.decode('utf-8'),
+				'title':	video_title,
+				'stitle':	simple_title,
+				'ext':		video_extension.decode('utf-8'),
+				'format':	u'NA',
+				'player_url':	None,
+			})
+		except UnavailableVideoError:
+			self._downloader.trouble(u'ERROR: unable to download video')
 
-class YoutubePlaylistIE(InfoExtractor):
-	"""Information Extractor for YouTube playlists."""
+class GoogleIE(InfoExtractor):
+	"""Information extractor for video.google.com."""
 
-	_VALID_URL = r'(?:http://)?(?:\w+\.)?youtube.com/(?:view_play_list|my_playlists)\?.*?p=([^&]+).*'
-	_TEMPLATE_URL = 'http://www.youtube.com/view_play_list?p=%s&page=%s&gl=US&hl=en'
-	_VIDEO_INDICATOR = r'/watch\?v=(.+?)&'
-	_MORE_PAGES_INDICATOR = r'/view_play_list?p=%s&page=%s'
-	_youtube_ie = None
+	_VALID_URL = r'(?:http://)?video\.google\.(?:com(?:\.au)?|co\.(?:uk|jp|kr|cr)|ca|de|es|fr|it|nl|pl)/videoplay\?docid=([^\&]+).*'
 
-	def __init__(self, youtube_ie, downloader=None):
+	def __init__(self, downloader=None):
 		InfoExtractor.__init__(self, downloader)
-		self._youtube_ie = youtube_ie
-	
+
 	@staticmethod
 	def suitable(url):
-		return (re.match(YoutubePlaylistIE._VALID_URL, url) is not None)
+		return (re.match(GoogleIE._VALID_URL, url) is not None)
 
-	def report_download_page(self, playlist_id, pagenum):
-		"""Report attempt to download playlist page with given number."""
-		self._downloader.to_stdout(u'[youtube] PL %s: Downloading page #%s' % (playlist_id, pagenum))
+	def report_download_webpage(self, video_id):
+		"""Report webpage download."""
+		self._downloader.to_stdout(u'[video.google] %s: Downloading webpage' % video_id)
+
+	def report_extraction(self, video_id):
+		"""Report information extraction."""
+		self._downloader.to_stdout(u'[video.google] %s: Extracting information' % video_id)
 
 	def _real_initialize(self):
-		self._youtube_ie.initialize()
-	
+		return
+
 	def _real_extract(self, url):
-		# Extract playlist id
+		# Extract id from URL
 		mobj = re.match(self._VALID_URL, url)
 		if mobj is None:
-			self._downloader.trouble(u'ERROR: invalid url: %s' % url)
+			self._downloader.trouble(u'ERROR: Invalid URL: %s' % url)
 			return
 
-		# Download playlist pages
-		playlist_id = mobj.group(1)
-		video_ids = []
-		pagenum = 1
+		# At this point we have a new video
+		self._downloader.increment_downloads()
+		video_id = mobj.group(1)
 
-		while True:
-			self.report_download_page(playlist_id, pagenum)
-			request = urllib2.Request(self._TEMPLATE_URL % (playlist_id, pagenum), None, std_headers)
-			try:
-				page = urllib2.urlopen(request).read()
-			except (urllib2.URLError, httplib.HTTPException, socket.error), err:
-				self._downloader.trouble(u'ERROR: unable to download webpage: %s' % str(err))
-				return
+		video_extension = 'mp4'
 
-			# Extract video identifiers
-			ids_in_page = []
-			for mobj in re.finditer(self._VIDEO_INDICATOR, page):
-				if mobj.group(1) not in ids_in_page:
-					ids_in_page.append(mobj.group(1))
-			video_ids.extend(ids_in_page)
+		# Retrieve video webpage to extract further information
+		request = urllib2.Request('http://video.google.com/videoplay?docid=%s&hl=en&oe=utf-8' % video_id)
+		try:
+			self.report_download_webpage(video_id)
+			webpage = urllib2.urlopen(request).read()
+		except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+			self._downloader.trouble(u'ERROR: Unable to retrieve video webpage: %s' % str(err))
+			return
 
-			if (self._MORE_PAGES_INDICATOR % (playlist_id.upper(), pagenum + 1)) not in page:
-				break
-			pagenum = pagenum + 1
+		# Extract URL, uploader, and title from webpage
+		self.report_extraction(video_id)
+		mobj = re.search(r"download_url:'([^']+)'", webpage)
+		if mobj is None:
+			video_extension = 'flv'
+			mobj = re.search(r"(?i)videoUrl\\x3d(.+?)\\x26", webpage)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: unable to extract media URL')
+			return
+		mediaURL = urllib.unquote(mobj.group(1))
+		mediaURL = mediaURL.replace('\\x3d', '\x3d')
+		mediaURL = mediaURL.replace('\\x26', '\x26')
+
+		video_url = mediaURL
+
+		mobj = re.search(r'<title>(.*)</title>', webpage)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: unable to extract title')
+			return
+		video_title = mobj.group(1).decode('utf-8')
+		video_title = sanitize_title(video_title)
+		simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', video_title)
+
+		# Extract video description
+		mobj = re.search(r'<span id=short-desc-content>([^<]*)</span>', webpage)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: unable to extract video description')
+			return
+		video_description = mobj.group(1).decode('utf-8')
+		if not video_description:
+			video_description = 'No description available.'
+
+		# Extract video thumbnail
+		if self._downloader.params.get('forcethumbnail', False):
+			request = urllib2.Request('http://video.google.com/videosearch?q=%s+site:video.google.com&hl=en' % abs(int(video_id)))
+			try:
+				webpage = urllib2.urlopen(request).read()
+			except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+				self._downloader.trouble(u'ERROR: Unable to retrieve video webpage: %s' % str(err))
+				return
+			mobj = re.search(r'<img class=thumbnail-img (?:.* )?src=(http.*)>', webpage)
+			if mobj is None:
+				self._downloader.trouble(u'ERROR: unable to extract video thumbnail')
+				return
+			video_thumbnail = mobj.group(1)
+		else:	# we need something to pass to process_info
+			video_thumbnail = ''
+
+
+		try:
+			# Process video information
+			self._downloader.process_info({
+				'id':		video_id.decode('utf-8'),
+				'url':		video_url.decode('utf-8'),
+				'uploader':	u'NA',
+				'title':	video_title,
+				'stitle':	simple_title,
+				'ext':		video_extension.decode('utf-8'),
+				'format':	u'NA',
+				'player_url':	None,
+			})
+		except UnavailableVideoError:
+			self._downloader.trouble(u'ERROR: unable to download video')
+
+
+class PhotobucketIE(InfoExtractor):
+	"""Information extractor for photobucket.com."""
+
+	_VALID_URL = r'(?:http://)?(?:[a-z0-9]+\.)?photobucket\.com/.*[\?\&]current=(.*\.flv)'
+
+	def __init__(self, downloader=None):
+		InfoExtractor.__init__(self, downloader)
+
+	@staticmethod
+	def suitable(url):
+		return (re.match(PhotobucketIE._VALID_URL, url) is not None)
+
+	def report_download_webpage(self, video_id):
+		"""Report webpage download."""
+		self._downloader.to_stdout(u'[photobucket] %s: Downloading webpage' % video_id)
+
+	def report_extraction(self, video_id):
+		"""Report information extraction."""
+		self._downloader.to_stdout(u'[photobucket] %s: Extracting information' % video_id)
+
+	def _real_initialize(self):
+		return
+
+	def _real_extract(self, url):
+		# Extract id from URL
+		mobj = re.match(self._VALID_URL, url)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: Invalid URL: %s' % url)
+			return
+
+		# At this point we have a new video
+		self._downloader.increment_downloads()
+		video_id = mobj.group(1)
+
+		video_extension = 'flv'
+
+		# Retrieve video webpage to extract further information
+		request = urllib2.Request(url)
+		try:
+			self.report_download_webpage(video_id)
+			webpage = urllib2.urlopen(request).read()
+		except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+			self._downloader.trouble(u'ERROR: Unable to retrieve video webpage: %s' % str(err))
+			return
+
+		# Extract URL, uploader, and title from webpage
+		self.report_extraction(video_id)
+		mobj = re.search(r'<link rel="video_src" href=".*\?file=([^"]+)" />', webpage)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: unable to extract media URL')
+			return
+		mediaURL = urllib.unquote(mobj.group(1))
+
+		video_url = mediaURL
+
+		mobj = re.search(r'<title>(.*) video by (.*) - Photobucket</title>', webpage)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: unable to extract title')
+			return
+		video_title = mobj.group(1).decode('utf-8')
+		video_title = sanitize_title(video_title)
+		simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', video_title)
+
+		video_uploader = mobj.group(2).decode('utf-8')
+
+		try:
+			# Process video information
+			self._downloader.process_info({
+				'id':		video_id.decode('utf-8'),
+				'url':		video_url.decode('utf-8'),
+				'uploader':	video_uploader,
+				'title':	video_title,
+				'stitle':	simple_title,
+				'ext':		video_extension.decode('utf-8'),
+				'format':	u'NA',
+				'player_url':	None,
+			})
+		except UnavailableVideoError:
+			self._downloader.trouble(u'ERROR: unable to download video')
+
+
+class YahooIE(InfoExtractor):
+	"""Information extractor for video.yahoo.com."""
+
+	# _VALID_URL matches all Yahoo! Video URLs
+	# _VPAGE_URL matches only the extractable '/watch/' URLs
+	_VALID_URL = r'(?:http://)?(?:[a-z]+\.)?video\.yahoo\.com/(?:watch|network)/([0-9]+)(?:/|\?v=)([0-9]+)(?:[#\?].*)?'
+	_VPAGE_URL = r'(?:http://)?video\.yahoo\.com/watch/([0-9]+)/([0-9]+)(?:[#\?].*)?'
+
+	def __init__(self, downloader=None):
+		InfoExtractor.__init__(self, downloader)
+
+	@staticmethod
+	def suitable(url):
+		return (re.match(YahooIE._VALID_URL, url) is not None)
+
+	def report_download_webpage(self, video_id):
+		"""Report webpage download."""
+		self._downloader.to_stdout(u'[video.yahoo] %s: Downloading webpage' % video_id)
+
+	def report_extraction(self, video_id):
+		"""Report information extraction."""
+		self._downloader.to_stdout(u'[video.yahoo] %s: Extracting information' % video_id)
+
+	def _real_initialize(self):
+		return
+
+	def _real_extract(self, url, new_video=True):
+		# Extract ID from URL
+		mobj = re.match(self._VALID_URL, url)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: Invalid URL: %s' % url)
+			return
+
+		# At this point we have a new video
+		self._downloader.increment_downloads()
+		video_id = mobj.group(2)
+		video_extension = 'flv'
+
+		# Rewrite valid but non-extractable URLs as
+		# extractable English language /watch/ URLs
+		if re.match(self._VPAGE_URL, url) is None:
+			request = urllib2.Request(url)
+			try:
+				webpage = urllib2.urlopen(request).read()
+			except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+				self._downloader.trouble(u'ERROR: Unable to retrieve video webpage: %s' % str(err))
+				return
+
+			mobj = re.search(r'\("id", "([0-9]+)"\);', webpage)
+			if mobj is None:
+				self._downloader.trouble(u'ERROR: Unable to extract id field')
+				return
+			yahoo_id = mobj.group(1)
+
+			mobj = re.search(r'\("vid", "([0-9]+)"\);', webpage)
+			if mobj is None:
+				self._downloader.trouble(u'ERROR: Unable to extract vid field')
+				return
+			yahoo_vid = mobj.group(1)
+
+			url = 'http://video.yahoo.com/watch/%s/%s' % (yahoo_vid, yahoo_id)
+			return self._real_extract(url, new_video=False)
+
+		# Retrieve video webpage to extract further information
+		request = urllib2.Request(url)
+		try:
+			self.report_download_webpage(video_id)
+			webpage = urllib2.urlopen(request).read()
+		except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+			self._downloader.trouble(u'ERROR: Unable to retrieve video webpage: %s' % str(err))
+			return
+
+		# Extract uploader and title from webpage
+		self.report_extraction(video_id)
+		mobj = re.search(r'<meta name="title" content="(.*)" />', webpage)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: unable to extract video title')
+			return
+		video_title = mobj.group(1).decode('utf-8')
+		simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', video_title)
+
+		mobj = re.search(r'<h2 class="ti-5"><a href="http://video\.yahoo\.com/(people|profile)/[0-9]+" beacon=".*">(.*)</a></h2>', webpage)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: unable to extract video uploader')
+			return
+		video_uploader = mobj.group(1).decode('utf-8')
+
+		# Extract video thumbnail
+		mobj = re.search(r'<link rel="image_src" href="(.*)" />', webpage)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: unable to extract video thumbnail')
+			return
+		video_thumbnail = mobj.group(1).decode('utf-8')
+
+		# Extract video description
+		mobj = re.search(r'<meta name="description" content="(.*)" />', webpage)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: unable to extract video description')
+			return
+		video_description = mobj.group(1).decode('utf-8')
+		if not video_description: video_description = 'No description available.'
+
+		# Extract video height and width
+		mobj = re.search(r'<meta name="video_height" content="([0-9]+)" />', webpage)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: unable to extract video height')
+			return
+		yv_video_height = mobj.group(1)
+
+		mobj = re.search(r'<meta name="video_width" content="([0-9]+)" />', webpage)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: unable to extract video width')
+			return
+		yv_video_width = mobj.group(1)
+
+		# Retrieve video playlist to extract media URL
+		# I'm not completely sure what all these options are, but we
+		# seem to need most of them, otherwise the server sends a 401.
+		yv_lg = 'R0xx6idZnW2zlrKP8xxAIR'  # not sure what this represents
+		yv_bitrate = '700'  # according to Wikipedia this is hard-coded
+		request = urllib2.Request('http://cosmos.bcst.yahoo.com/up/yep/process/getPlaylistFOP.php?node_id=' + video_id +
+				          '&tech=flash&mode=playlist&lg=' + yv_lg + '&bitrate=' + yv_bitrate + '&vidH=' + yv_video_height +
+					  '&vidW=' + yv_video_width + '&swf=as3&rd=video.yahoo.com&tk=null&adsupported=v1,v2,&eventid=1301797')
+		try:
+			self.report_download_webpage(video_id)
+			webpage = urllib2.urlopen(request).read()
+		except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+			self._downloader.trouble(u'ERROR: Unable to retrieve video webpage: %s' % str(err))
+			return
+
+		# Extract media URL from playlist XML
+		mobj = re.search(r'<STREAM APP="(http://.*)" FULLPATH="/?(/.*\.flv\?[^"]*)"', webpage)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: Unable to extract media URL')
+			return
+		video_url = urllib.unquote(mobj.group(1) + mobj.group(2)).decode('utf-8')
+		video_url = re.sub(r'(?u)&(.+?);', htmlentity_transform, video_url)
+
+		try:
+			# Process video information
+			self._downloader.process_info({
+				'id':		video_id.decode('utf-8'),
+				'url':		video_url,
+				'uploader':	video_uploader,
+				'title':	video_title,
+				'stitle':	simple_title,
+				'ext':		video_extension.decode('utf-8'),
+				'thumbnail':	video_thumbnail.decode('utf-8'),
+				'description':	video_description,
+				'thumbnail':	video_thumbnail,
+				'description':	video_description,
+				'player_url':	None,
+			})
+		except UnavailableVideoError:
+			self._downloader.trouble(u'ERROR: unable to download video')
+
+
+class GenericIE(InfoExtractor):
+	"""Generic last-resort information extractor."""
+
+	def __init__(self, downloader=None):
+		InfoExtractor.__init__(self, downloader)
+
+	@staticmethod
+	def suitable(url):
+		return True
+
+	def report_download_webpage(self, video_id):
+		"""Report webpage download."""
+		self._downloader.to_stdout(u'WARNING: Falling back on generic information extractor.')
+		self._downloader.to_stdout(u'[generic] %s: Downloading webpage' % video_id)
+
+	def report_extraction(self, video_id):
+		"""Report information extraction."""
+		self._downloader.to_stdout(u'[generic] %s: Extracting information' % video_id)
+
+	def _real_initialize(self):
+		return
+
+	def _real_extract(self, url):
+		# At this point we have a new video
+		self._downloader.increment_downloads()
+
+		video_id = url.split('/')[-1]
+		request = urllib2.Request(url)
+		try:
+			self.report_download_webpage(video_id)
+			webpage = urllib2.urlopen(request).read()
+		except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+			self._downloader.trouble(u'ERROR: Unable to retrieve video webpage: %s' % str(err))
+			return
+		except ValueError, err:
+			# since this is the last-resort InfoExtractor, if
+			# this error is thrown, it'll be thrown here
+			self._downloader.trouble(u'ERROR: Invalid URL: %s' % url)
+			return
+
+		# Start with something easy: JW Player in SWFObject
+		mobj = re.search(r'flashvars: [\'"](?:.*&)?file=(http[^\'"&]*)', webpage)
+		if mobj is None:
+			# Broaden the search a little bit
+			mobj = re.search(r'[^A-Za-z0-9]?(?:file|source)=(http[^\'"&]*)', webpage)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: Invalid URL: %s' % url)
+			return
+
+		# It's possible that one of the regexes
+		# matched, but returned an empty group:
+		if mobj.group(1) is None:
+			self._downloader.trouble(u'ERROR: Invalid URL: %s' % url)
+			return
+
+		video_url = urllib.unquote(mobj.group(1))
+		video_id  = os.path.basename(video_url)
+
+		# here's a fun little line of code for you:
+		video_extension = os.path.splitext(video_id)[1][1:]
+		video_id        = os.path.splitext(video_id)[0]
+
+		# it's tempting to parse this further, but you would
+		# have to take into account all the variations like
+		#   Video Title - Site Name
+		#   Site Name | Video Title
+		#   Video Title - Tagline | Site Name
+		# and so on and so forth; it's just not practical
+		mobj = re.search(r'<title>(.*)</title>', webpage)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: unable to extract title')
+			return
+		video_title = mobj.group(1).decode('utf-8')
+		video_title = sanitize_title(video_title)
+		simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', video_title)
+
+		# video uploader is domain name
+		mobj = re.match(r'(?:https?://)?([^/]*)/.*', url)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: unable to extract title')
+			return
+		video_uploader = mobj.group(1).decode('utf-8')
+
+		try:
+			# Process video information
+			self._downloader.process_info({
+				'id':		video_id.decode('utf-8'),
+				'url':		video_url.decode('utf-8'),
+				'uploader':	video_uploader,
+				'title':	video_title,
+				'stitle':	simple_title,
+				'ext':		video_extension.decode('utf-8'),
+				'format':	u'NA',
+				'player_url':	None,
+			})
+		except UnavailableVideoError, err:
+			self._downloader.trouble(u'ERROR: unable to download video')
+
+
+class YoutubeSearchIE(InfoExtractor):
+	"""Information Extractor for YouTube search queries."""
+	_VALID_QUERY = r'ytsearch(\d+|all)?:[\s\S]+'
+	_TEMPLATE_URL = 'http://www.youtube.com/results?search_query=%s&page=%s&gl=US&hl=en'
+	_VIDEO_INDICATOR = r'href="/watch\?v=.+?"'
+	_MORE_PAGES_INDICATOR = r'(?m)>\s*Next\s*</a>'
+	_youtube_ie = None
+	_max_youtube_results = 1000
+
+	def __init__(self, youtube_ie, downloader=None):
+		InfoExtractor.__init__(self, downloader)
+		self._youtube_ie = youtube_ie
+	
+	@staticmethod
+	def suitable(url):
+		return (re.match(YoutubeSearchIE._VALID_QUERY, url) is not None)
+
+	def report_download_page(self, query, pagenum):
+		"""Report attempt to download playlist page with given number."""
+		query = query.decode(preferredencoding())
+		self._downloader.to_stdout(u'[youtube] query "%s": Downloading page %s' % (query, pagenum))
+
+	def _real_initialize(self):
+		self._youtube_ie.initialize()
+	
+	def _real_extract(self, query):
+		mobj = re.match(self._VALID_QUERY, query)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: invalid search query "%s"' % query)
+			return
+
+		prefix, query = query.split(':')
+		prefix = prefix[8:]
+		query  = query.encode('utf-8')
+		if prefix == '':
+			self._download_n_results(query, 1)
+			return
+		elif prefix == 'all':
+			self._download_n_results(query, self._max_youtube_results)
+			return
+		else:
+			try:
+				n = long(prefix)
+				if n <= 0:
+					self._downloader.trouble(u'ERROR: invalid download number %s for query "%s"' % (n, query))
+					return
+				elif n > self._max_youtube_results:
+					self._downloader.to_stderr(u'WARNING: ytsearch returns max %i results (you requested %i)'  % (self._max_youtube_results, n))
+					n = self._max_youtube_results
+				self._download_n_results(query, n)
+				return
+			except ValueError: # parsing prefix as integer fails
+				self._download_n_results(query, 1)
+				return
+
+	def _download_n_results(self, query, n):
+		"""Downloads a specified number of results for a query"""
+
+		video_ids = []
+		already_seen = set()
+		pagenum = 1
+
+		while True:
+			self.report_download_page(query, pagenum)
+			result_url = self._TEMPLATE_URL % (urllib.quote_plus(query), pagenum)
+			request = urllib2.Request(result_url, None, std_headers)
+			try:
+				page = urllib2.urlopen(request).read()
+			except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+				self._downloader.trouble(u'ERROR: unable to download webpage: %s' % str(err))
+				return
+
+			# Extract video identifiers
+			for mobj in re.finditer(self._VIDEO_INDICATOR, page):
+				video_id = page[mobj.span()[0]:mobj.span()[1]].split('=')[2][:-1]
+				if video_id not in already_seen:
+					video_ids.append(video_id)
+					already_seen.add(video_id)
+					if len(video_ids) == n:
+						# Specified n videos reached
+						for id in video_ids:
+							self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id)
+						return
+
+			if re.search(self._MORE_PAGES_INDICATOR, page) is None:
+				for id in video_ids:
+					self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id)
+				return
+
+			pagenum = pagenum + 1
+
+class GoogleSearchIE(InfoExtractor):
+	"""Information Extractor for Google Video search queries."""
+	_VALID_QUERY = r'gvsearch(\d+|all)?:[\s\S]+'
+	_TEMPLATE_URL = 'http://video.google.com/videosearch?q=%s+site:video.google.com&start=%s&hl=en'
+	_VIDEO_INDICATOR = r'videoplay\?docid=([^\&>]+)\&'
+	_MORE_PAGES_INDICATOR = r'<span>Next</span>'
+	_google_ie = None
+	_max_google_results = 1000
+
+	def __init__(self, google_ie, downloader=None):
+		InfoExtractor.__init__(self, downloader)
+		self._google_ie = google_ie
+	
+	@staticmethod
+	def suitable(url):
+		return (re.match(GoogleSearchIE._VALID_QUERY, url) is not None)
+
+	def report_download_page(self, query, pagenum):
+		"""Report attempt to download playlist page with given number."""
+		query = query.decode(preferredencoding())
+		self._downloader.to_stdout(u'[video.google] query "%s": Downloading page %s' % (query, pagenum))
+
+	def _real_initialize(self):
+		self._google_ie.initialize()
+	
+	def _real_extract(self, query):
+		mobj = re.match(self._VALID_QUERY, query)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: invalid search query "%s"' % query)
+			return
+
+		prefix, query = query.split(':')
+		prefix = prefix[8:]
+		query  = query.encode('utf-8')
+		if prefix == '':
+			self._download_n_results(query, 1)
+			return
+		elif prefix == 'all':
+			self._download_n_results(query, self._max_google_results)
+			return
+		else:
+			try:
+				n = long(prefix)
+				if n <= 0:
+					self._downloader.trouble(u'ERROR: invalid download number %s for query "%s"' % (n, query))
+					return
+				elif n > self._max_google_results:
+					self._downloader.to_stderr(u'WARNING: gvsearch returns max %i results (you requested %i)'  % (self._max_google_results, n))
+					n = self._max_google_results
+				self._download_n_results(query, n)
+				return
+			except ValueError: # parsing prefix as integer fails
+				self._download_n_results(query, 1)
+				return
+
+	def _download_n_results(self, query, n):
+		"""Downloads a specified number of results for a query"""
+
+		video_ids = []
+		already_seen = set()
+		pagenum = 1
+
+		while True:
+			self.report_download_page(query, pagenum)
+			result_url = self._TEMPLATE_URL % (urllib.quote_plus(query), pagenum)
+			request = urllib2.Request(result_url, None, std_headers)
+			try:
+				page = urllib2.urlopen(request).read()
+			except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+				self._downloader.trouble(u'ERROR: unable to download webpage: %s' % str(err))
+				return
+
+			# Extract video identifiers
+			for mobj in re.finditer(self._VIDEO_INDICATOR, page):
+				video_id = mobj.group(1)
+				if video_id not in already_seen:
+					video_ids.append(video_id)
+					already_seen.add(video_id)
+					if len(video_ids) == n:
+						# Specified n videos reached
+						for id in video_ids:
+							self._google_ie.extract('http://video.google.com/videoplay?docid=%s' % id)
+						return
+
+			if re.search(self._MORE_PAGES_INDICATOR, page) is None:
+				for id in video_ids:
+					self._google_ie.extract('http://video.google.com/videoplay?docid=%s' % id)
+				return
+
+			pagenum = pagenum + 1
+
+class YahooSearchIE(InfoExtractor):
+	"""Information Extractor for Yahoo! Video search queries."""
+	_VALID_QUERY = r'yvsearch(\d+|all)?:[\s\S]+'
+	_TEMPLATE_URL = 'http://video.yahoo.com/search/?p=%s&o=%s'
+	_VIDEO_INDICATOR = r'href="http://video\.yahoo\.com/watch/([0-9]+/[0-9]+)"'
+	_MORE_PAGES_INDICATOR = r'\s*Next'
+	_yahoo_ie = None
+	_max_yahoo_results = 1000
+
+	def __init__(self, yahoo_ie, downloader=None):
+		InfoExtractor.__init__(self, downloader)
+		self._yahoo_ie = yahoo_ie
+	
+	@staticmethod
+	def suitable(url):
+		return (re.match(YahooSearchIE._VALID_QUERY, url) is not None)
+
+	def report_download_page(self, query, pagenum):
+		"""Report attempt to download playlist page with given number."""
+		query = query.decode(preferredencoding())
+		self._downloader.to_stdout(u'[video.yahoo] query "%s": Downloading page %s' % (query, pagenum))
+
+	def _real_initialize(self):
+		self._yahoo_ie.initialize()
+	
+	def _real_extract(self, query):
+		mobj = re.match(self._VALID_QUERY, query)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: invalid search query "%s"' % query)
+			return
+
+		prefix, query = query.split(':')
+		prefix = prefix[8:]
+		query  = query.encode('utf-8')
+		if prefix == '':
+			self._download_n_results(query, 1)
+			return
+		elif prefix == 'all':
+			self._download_n_results(query, self._max_yahoo_results)
+			return
+		else:
+			try:
+				n = long(prefix)
+				if n <= 0:
+					self._downloader.trouble(u'ERROR: invalid download number %s for query "%s"' % (n, query))
+					return
+				elif n > self._max_yahoo_results:
+					self._downloader.to_stderr(u'WARNING: yvsearch returns max %i results (you requested %i)'  % (self._max_yahoo_results, n))
+					n = self._max_yahoo_results
+				self._download_n_results(query, n)
+				return
+			except ValueError: # parsing prefix as integer fails
+				self._download_n_results(query, 1)
+				return
+
+	def _download_n_results(self, query, n):
+		"""Downloads a specified number of results for a query"""
+
+		video_ids = []
+		already_seen = set()
+		pagenum = 1
+
+		while True:
+			self.report_download_page(query, pagenum)
+			result_url = self._TEMPLATE_URL % (urllib.quote_plus(query), pagenum)
+			request = urllib2.Request(result_url, None, std_headers)
+			try:
+				page = urllib2.urlopen(request).read()
+			except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+				self._downloader.trouble(u'ERROR: unable to download webpage: %s' % str(err))
+				return
+
+			# Extract video identifiers
+			for mobj in re.finditer(self._VIDEO_INDICATOR, page):
+				video_id = mobj.group(1)
+				if video_id not in already_seen:
+					video_ids.append(video_id)
+					already_seen.add(video_id)
+					if len(video_ids) == n:
+						# Specified n videos reached
+						for id in video_ids:
+							self._yahoo_ie.extract('http://video.yahoo.com/watch/%s' % id)
+						return
+
+			if re.search(self._MORE_PAGES_INDICATOR, page) is None:
+				for id in video_ids:
+					self._yahoo_ie.extract('http://video.yahoo.com/watch/%s' % id)
+				return
+
+			pagenum = pagenum + 1
+
+class YoutubePlaylistIE(InfoExtractor):
+	"""Information Extractor for YouTube playlists."""
+
+	_VALID_URL = r'(?:http://)?(?:\w+\.)?youtube.com/(?:(?:view_play_list|my_playlists)\?.*?p=|user/.*?/user/)([^&]+).*'
+	_TEMPLATE_URL = 'http://www.youtube.com/view_play_list?p=%s&page=%s&gl=US&hl=en'
+	_VIDEO_INDICATOR = r'/watch\?v=(.+?)&'
+	_MORE_PAGES_INDICATOR = r'(?m)>\s*Next\s*</a>'
+	_youtube_ie = None
+
+	def __init__(self, youtube_ie, downloader=None):
+		InfoExtractor.__init__(self, downloader)
+		self._youtube_ie = youtube_ie
+	
+	@staticmethod
+	def suitable(url):
+		return (re.match(YoutubePlaylistIE._VALID_URL, url) is not None)
+
+	def report_download_page(self, playlist_id, pagenum):
+		"""Report attempt to download playlist page with given number."""
+		self._downloader.to_stdout(u'[youtube] PL %s: Downloading page #%s' % (playlist_id, pagenum))
+
+	def _real_initialize(self):
+		self._youtube_ie.initialize()
+	
+	def _real_extract(self, url):
+		# Extract playlist id
+		mobj = re.match(self._VALID_URL, url)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: invalid url: %s' % url)
+			return
+
+		# Download playlist pages
+		playlist_id = mobj.group(1)
+		video_ids = []
+		pagenum = 1
+
+		while True:
+			self.report_download_page(playlist_id, pagenum)
+			request = urllib2.Request(self._TEMPLATE_URL % (playlist_id, pagenum), None, std_headers)
+			try:
+				page = urllib2.urlopen(request).read()
+			except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+				self._downloader.trouble(u'ERROR: unable to download webpage: %s' % str(err))
+				return
+
+			# Extract video identifiers
+			ids_in_page = []
+			for mobj in re.finditer(self._VIDEO_INDICATOR, page):
+				if mobj.group(1) not in ids_in_page:
+					ids_in_page.append(mobj.group(1))
+			video_ids.extend(ids_in_page)
+
+			if re.search(self._MORE_PAGES_INDICATOR, page) is None:
+				break
+			pagenum = pagenum + 1
+
+		for id in video_ids:
+			self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id)
+		return
+
+class YoutubeUserIE(InfoExtractor):
+	"""Information Extractor for YouTube users."""
+
+	_VALID_URL = r'(?:http://)?(?:\w+\.)?youtube.com/user/(.*)'
+	_TEMPLATE_URL = 'http://gdata.youtube.com/feeds/api/users/%s'
+	_VIDEO_INDICATOR = r'http://gdata.youtube.com/feeds/api/videos/(.*)' # XXX Fix this.
+	_youtube_ie = None
+
+	def __init__(self, youtube_ie, downloader=None):
+		InfoExtractor.__init__(self, downloader)
+		self._youtube_ie = youtube_ie
+	
+	@staticmethod
+	def suitable(url):
+		return (re.match(YoutubeUserIE._VALID_URL, url) is not None)
+
+	def report_download_page(self, username):
+		"""Report attempt to download user page."""
+		self._downloader.to_stdout(u'[youtube] user %s: Downloading page ' % (username))
+
+	def _real_initialize(self):
+		self._youtube_ie.initialize()
+	
+	def _real_extract(self, url):
+		# Extract username
+		mobj = re.match(self._VALID_URL, url)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: invalid url: %s' % url)
+			return
+
+		# Download user page
+		username = mobj.group(1)
+		video_ids = []
+		pagenum = 1
+
+		self.report_download_page(username)
+		request = urllib2.Request(self._TEMPLATE_URL % (username), None, std_headers)
+		try:
+			page = urllib2.urlopen(request).read()
+		except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+			self._downloader.trouble(u'ERROR: unable to download webpage: %s' % str(err))
+			return
+
+		# Extract video identifiers
+		ids_in_page = []
+
+		for mobj in re.finditer(self._VIDEO_INDICATOR, page):
+			if mobj.group(1) not in ids_in_page:
+				ids_in_page.append(mobj.group(1))
+		video_ids.extend(ids_in_page)
 
 		for id in video_ids:
 			self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id)
@@ -1089,6 +2040,22 @@ if __name__ == '__main__':
 		import getpass
 		import optparse
 
+		# Function to update the program file with the latest version from bitbucket.org
+		def update_self(downloader, filename):
+			# Note: downloader only used for options
+			if not os.access (filename, os.W_OK):
+				sys.exit('ERROR: no write permissions on %s' % filename)
+
+			downloader.to_stdout('Updating to latest stable version...')
+			latest_url = 'http://bitbucket.org/rg3/youtube-dl/raw/tip/LATEST_VERSION'
+			latest_version = urllib.urlopen(latest_url).read().strip()
+			prog_url = 'http://bitbucket.org/rg3/youtube-dl/raw/%s/youtube-dl' % latest_version
+			newcontent = urllib.urlopen(prog_url).read()
+			stream = open(filename, 'w')
+			stream.write(newcontent)
+			stream.close()
+			downloader.to_stdout('Updated to version %s' % latest_version)
+
 		# General configuration
 		urllib2.install_opener(urllib2.build_opener(urllib2.ProxyHandler()))
 		urllib2.install_opener(urllib2.build_opener(urllib2.HTTPCookieProcessor()))
@@ -1097,7 +2064,7 @@ if __name__ == '__main__':
 		# Parse command line
 		parser = optparse.OptionParser(
 			usage='Usage: %prog [options] url...',
-			version='2009.09.13',
+			version='2010.07.22',
 			conflict_handler='resolve',
 		)
 
@@ -1105,29 +2072,33 @@ if __name__ == '__main__':
 				action='help', help='print this help text and exit')
 		parser.add_option('-v', '--version',
 				action='version', help='print program version and exit')
+		parser.add_option('-U', '--update',
+				action='store_true', dest='update_self', help='update this program to latest stable version')
 		parser.add_option('-i', '--ignore-errors',
 				action='store_true', dest='ignoreerrors', help='continue on download errors', default=False)
 		parser.add_option('-r', '--rate-limit',
-				dest='ratelimit', metavar='L', help='download rate limit (e.g. 50k or 44.6m)')
+				dest='ratelimit', metavar='LIMIT', help='download rate limit (e.g. 50k or 44.6m)')
+		parser.add_option('-R', '--retries',
+				dest='retries', metavar='RETRIES', help='number of retries (default is 10)', default=10)
 
 		authentication = optparse.OptionGroup(parser, 'Authentication Options')
 		authentication.add_option('-u', '--username',
-				dest='username', metavar='UN', help='account username')
+				dest='username', metavar='USERNAME', help='account username')
 		authentication.add_option('-p', '--password',
-				dest='password', metavar='PW', help='account password')
+				dest='password', metavar='PASSWORD', help='account password')
 		authentication.add_option('-n', '--netrc',
 				action='store_true', dest='usenetrc', help='use .netrc authentication data', default=False)
 		parser.add_option_group(authentication)
 
 		video_format = optparse.OptionGroup(parser, 'Video Format Options')
 		video_format.add_option('-f', '--format',
-				action='store', dest='format', metavar='FMT', help='video format code')
-		video_format.add_option('-b', '--best-quality',
-				action='store_const', dest='format', help='download the best quality video possible', const='0')
+				action='store', dest='format', metavar='FORMAT', help='video format code')
 		video_format.add_option('-m', '--mobile-version',
 				action='store_const', dest='format', help='alias for -f 17', const='17')
-		video_format.add_option('-d', '--high-def',
-				action='store_const', dest='format', help='alias for -f 22', const='22')
+		video_format.add_option('--all-formats',
+				action='store_const', dest='format', help='download all available video formats', const='-1')
+		video_format.add_option('--max-quality',
+				action='store', dest='format_limit', metavar='FORMAT', help='highest quality format to download')
 		parser.add_option_group(video_format)
 
 		verbosity = optparse.OptionGroup(parser, 'Verbosity / Simulation Options')
@@ -1139,6 +2110,12 @@ if __name__ == '__main__':
 				action='store_true', dest='geturl', help='simulate, quiet but print URL', default=False)
 		verbosity.add_option('-e', '--get-title',
 				action='store_true', dest='gettitle', help='simulate, quiet but print title', default=False)
+		verbosity.add_option('--get-thumbnail',
+				action='store_true', dest='getthumbnail', help='simulate, quiet but print thumbnail URL', default=False)
+		verbosity.add_option('--get-description',
+				action='store_true', dest='getdescription', help='simulate, quiet but print video description', default=False)
+		verbosity.add_option('--no-progress',
+				action='store_true', dest='noprogress', help='do not print progress bar', default=False)
 		parser.add_option_group(verbosity)
 
 		filesystem = optparse.OptionGroup(parser, 'Filesystem Options')
@@ -1147,9 +2124,9 @@ if __name__ == '__main__':
 		filesystem.add_option('-l', '--literal',
 				action='store_true', dest='useliteral', help='use literal title in file name', default=False)
 		filesystem.add_option('-o', '--output',
-				dest='outtmpl', metavar='TPL', help='output filename template')
+				dest='outtmpl', metavar='TEMPLATE', help='output filename template')
 		filesystem.add_option('-a', '--batch-file',
-				dest='batchfile', metavar='F', help='file containing URLs to download')
+				dest='batchfile', metavar='FILE', help='file containing URLs to download (\'-\' for stdin)')
 		filesystem.add_option('-w', '--no-overwrites',
 				action='store_true', dest='nooverwrites', help='do not overwrite files', default=False)
 		filesystem.add_option('-c', '--continue',
@@ -1162,7 +2139,11 @@ if __name__ == '__main__':
 		batchurls = []
 		if opts.batchfile is not None:
 			try:
-				batchurls = open(opts.batchfile, 'r').readlines()
+				if opts.batchfile == '-':
+					batchfd = sys.stdin
+				else:
+					batchfd = open(opts.batchfile, 'r')
+				batchurls = batchfd.readlines()
 				batchurls = [x.strip() for x in batchurls]
 				batchurls = [x for x in batchurls if len(x) > 0]
 			except IOError:
@@ -1170,8 +2151,6 @@ if __name__ == '__main__':
 		all_urls = batchurls + args
 
 		# Conflicting, missing and erroneous options
-		if len(all_urls) < 1:
-			parser.error(u'you must provide at least one URL')
 		if opts.usenetrc and (opts.username is not None or opts.password is not None):
 			parser.error(u'using .netrc conflicts with giving username/password')
 		if opts.password is not None and opts.username is None:
@@ -1187,36 +2166,79 @@ if __name__ == '__main__':
 			if numeric_limit is None:
 				parser.error(u'invalid rate limit specified')
 			opts.ratelimit = numeric_limit
+		if opts.retries is not None:
+			try:
+				opts.retries = long(opts.retries)
+			except (TypeError, ValueError), err:
+				parser.error(u'invalid retry count specified')
 
 		# Information extractors
 		youtube_ie = YoutubeIE()
 		metacafe_ie = MetacafeIE(youtube_ie)
+		dailymotion_ie = DailymotionIE()
 		youtube_pl_ie = YoutubePlaylistIE(youtube_ie)
+		youtube_user_ie = YoutubeUserIE(youtube_ie)
 		youtube_search_ie = YoutubeSearchIE(youtube_ie)
+		google_ie = GoogleIE()
+		google_search_ie = GoogleSearchIE(google_ie)
+		photobucket_ie = PhotobucketIE()
+		yahoo_ie = YahooIE()
+		yahoo_search_ie = YahooSearchIE(yahoo_ie)
+		generic_ie = GenericIE()
 
 		# File downloader
 		fd = FileDownloader({
 			'usenetrc': opts.usenetrc,
 			'username': opts.username,
 			'password': opts.password,
-			'quiet': (opts.quiet or opts.geturl or opts.gettitle),
+			'quiet': (opts.quiet or opts.geturl or opts.gettitle or opts.getthumbnail or opts.getdescription),
 			'forceurl': opts.geturl,
 			'forcetitle': opts.gettitle,
-			'simulate': (opts.simulate or opts.geturl or opts.gettitle),
+			'forcethumbnail': opts.getthumbnail,
+			'forcedescription': opts.getdescription,
+			'simulate': (opts.simulate or opts.geturl or opts.gettitle or opts.getthumbnail or opts.getdescription),
 			'format': opts.format,
+			'format_limit': opts.format_limit,
 			'outtmpl': ((opts.outtmpl is not None and opts.outtmpl.decode(preferredencoding()))
+				or (opts.format == '-1' and opts.usetitle and u'%(stitle)s-%(id)s-%(format)s.%(ext)s')
+				or (opts.format == '-1' and opts.useliteral and u'%(title)s-%(id)s-%(format)s.%(ext)s')
+				or (opts.format == '-1' and u'%(id)s-%(format)s.%(ext)s')
 				or (opts.usetitle and u'%(stitle)s-%(id)s.%(ext)s')
 				or (opts.useliteral and u'%(title)s-%(id)s.%(ext)s')
 				or u'%(id)s.%(ext)s'),
 			'ignoreerrors': opts.ignoreerrors,
 			'ratelimit': opts.ratelimit,
 			'nooverwrites': opts.nooverwrites,
+			'retries': opts.retries,
 			'continuedl': opts.continue_dl,
+			'noprogress': opts.noprogress,
 			})
 		fd.add_info_extractor(youtube_search_ie)
 		fd.add_info_extractor(youtube_pl_ie)
+		fd.add_info_extractor(youtube_user_ie)
 		fd.add_info_extractor(metacafe_ie)
+		fd.add_info_extractor(dailymotion_ie)
 		fd.add_info_extractor(youtube_ie)
+		fd.add_info_extractor(google_ie)
+		fd.add_info_extractor(google_search_ie)
+		fd.add_info_extractor(photobucket_ie)
+		fd.add_info_extractor(yahoo_ie)
+		fd.add_info_extractor(yahoo_search_ie)
+
+		# This must come last since it's the
+		# fallback if none of the others work
+		fd.add_info_extractor(generic_ie)
+
+		# Update version
+		if opts.update_self:
+			update_self(fd, sys.argv[0])
+
+		# Maybe do nothing
+		if len(all_urls) < 1:
+			if not opts.update_self:
+				parser.error(u'you must provide at least one URL')
+			else:
+				sys.exit()
 		retcode = fd.download(all_urls)
 		sys.exit(retcode)